Games like The Powder Toy on Steam
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Simutrans
Simutrans is a freeware and open-source transportation simulator. Your goal is to establish a successful transport company. Transport passengers, mail and goods by rail, road, ship, and even air. Interconnect districts, cities, public buildings, industries and tourist attractions.
Goat Simulator
Goat Simulator is the latest in high-tech Goat Simulation technology.
Brewmaster: Beer Brewing Simulator
Brew your perfect beer in this relaxing home brewing sim. Use a realistic chemistry simulation to brew hoppy IPAs to creamy stouts. Customise your brewing space, create recipes and label your beer, unlock new equipment and enter competitions. Learn to brew, refine your craft and become a Brewmaster!
Megaquarium
The public aquarium simulator. Design your displays, look after your fish, manage your staff and keep your guests happy! It's all in a day's work as the curator of your very own Megaquarium.
SkyBrew: Entropic Strategist
Experience entrepreneurship in a floating cloud cafe. Manage your flying cafe, customize construction, train staff, handle random events, and uncover the secrets of the commercial empire, growing from a small shop to the sky's brightest star.
Another Brick in The Mall
Design, build and manage a giant shopping center. Open shops, supermarkets, restaurants, movie theaters, bowling alleys and more. Hire and manage the best staff for the job and milk your customers for all they're worth!
Animal Revolt Battle Simulator
The ultimate physics-based, sandbox battle simulator where you can create funny battles between all sorts of ragdoll creatures! You can also make your own monsters with the unit creator or even join the battles yourself in the first-person mode!
Internet Cafe Evolution
This is a business simulation + construction game. It tells the evolution history of Internet cafes that began in the 1990s, and imagines the future of internet cafes. There are also some small emotional stories.
Moonstone Island
Moonstone Island is a creature-collecting life-sim set in an open world with 100 islands to explore. Make friends, brew potions, collect Spirits, and test your strength in card-based encounters to complete your Alchemy training!
SHIPS AT WAR
Sink player-made battleships, aircraft carriers and submarines in this physics-based game. Use pre-built ships and sink the enemy by deploying aircraft, torpedoes, depth charges or shells. Or built your own ships in the extensive ship-editor.
The Enjenir: The Engineering Physics Building Simulator
Put your engineering and problem solving skills to the test in this sandbox physics building game! Enjoy the freedom of completely gridless 3D sandbox building combined with hilarious ragdoll third person controls, offering a truly unique and hilarious "Enjeniring" experience!
Bunny Park
Manage your own bunny park! Give snacks and toys to your bunnies. Improve and decorate your park to increase its popularity and collect all the bunnies!
Virtual Rides 3 - Funfair Simulator
Design! Control! Ride! Virtual Rides III is here! Set foot in an even bigger, more colorful, and more impressive fairground than ever before! Let your imagination be your guide! Design, control, and ride more than 15 unique attractions!
SUMMERHOUSE
A tiny building game about beautiful lived-in houses. No rules or restrictions, just pure creativity.
Species: Artificial Life, Real Evolution
Play with evolution! Species: ALRE is a scientifically-grounded, emergent simulation of natural selection. Creatures evolve and speciate in response to in-game mutation and selection forces, allowing you to experience and tinker with evolution in real-time.
Total Tank Simulator
Commander in the ranks. Soldier at heart. Choose a faction and deploy and command your army into massive physics-driven WWII battles to the last man standing. Destroy everything on sight with an insane amount of units that will behave tactically.
Marble World
Marble World is a physics sandbox simulator with marbles. Create your own marble races, runs and machines. Customize a variety of tracks, decorations and marbles to create a beautiful world.
METAL SLUG ATTACK RELOADED
Hard-core action with easy controls! The METAL SLUG we all love is back as a tower defense game!
Tracks - The Train Set Game
Jump into the ultimate toy sandbox and build the train set of your dreams! Create colourful railway systems, decorate beautiful towns, transport commuting passengers, and even ride your train in first-person.
Potion Craft: Alchemist Simulator
Potion Craft is an alchemist simulator where you physically interact with your tools and ingredients to brew potions. You're in full control of the whole shop: invent new recipes, attract customers and experiment to your heart's content. Just remember: the whole town is counting on you.
King Arthur's Gold
Would you enjoy building CASTLES, traps and siege machines in MULTIPLAYER? And then undermine your opponents castle and collapse it with 2D PHYSICS & DESTRUCTION?